XML 61 R44.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Operating Segments (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Segment Reporting Information [Line Items] |
Segment Reporting Disclosure Other Information | A description of the operations included in the Companies’ primary operating segments is as follows:
Primary Operating Segment |  | Description of Operations |  | Dominion Energy |  | Virginia Power |  | Dominion Energy Gas
Power Delivery |  | Regulated electric distribution |  | X |  | X |  |
|  | Regulated electric transmission |  | X |  | X |  |
Power Generation |  | Regulated electric fleet |  | X |  | X |  |
|  | Merchant electric fleet |  | X |  |  |  |
Gas Infrastructure |  | Gas transmission and storage |  | X |  |  |  | X
|  | Gas distribution and storage |  | X |  |  |  | X
|  | Gas gathering and processing |  | X |  |  |  | X
|  | LNG terminalling and storage |  | X |  |  |  |
|  | Nonregulated retail energy marketing |  | X |  |  |  |
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Dominion Energy’s operations:
|  | Power Delivery |  |  | Power Generation |  |  | Gas Infrastructure |  |  | Corporate and Other |  |  | Adjustments/ Eliminations |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 596 |  |  | $ | 2,021 |  |  | $ | 836 |  |  | $ | — |  |  | $ | (2 | ) |  | $ | 3,451 |
Intersegment revenue |  |  | 5 |  |  |  | 3 |  |  |  | 7 |  |  |  | 160 |  |  |  | (175 | ) |  |  | — |
Total operating revenue |  |  | 601 |  |  |  | 2,024 |  |  |  | 843 |  |  |  | 160 |  |  |  | (177 | ) |  |  | 3,451 |
Net income attributable to Dominion Energy |  |  | 163 |  |  |  | 414 |  |  |  | 264 |  |  |  | 13 |  |  |  | — |  |  |  | 854 |
Three Months Ended September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 580 |  |  | $ | 1,931 |  |  | $ | 459 |  |  | $ | 3 |  |  | $ | 206 |  |  | $ | 3,179 |
Intersegment revenue |  |  | 4 |  |  |  | 3 |  |  |  | 204 |  |  |  | 150 |  |  |  | (361 | ) |  |  | — |
Total operating revenue |  |  | 584 |  |  |  | 1,934 |  |  |  | 663 |  |  |  | 153 |  |  |  | (155 | ) |  |  | 3,179 |
Net income (loss) attributable to Dominion Energy |  |  | 138 |  |  |  | 369 |  |  |  | 187 |  |  |  | (29 | ) |  |  | — |  |  |  | 665 |
Nine Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 1,687 |  |  | $ | 5,516 |  |  | $ | 2,972 |  |  | $ | (210 | ) |  | $ | 40 |  |  | $ | 10,005 |
Intersegment revenue |  |  | 17 |  |  |  | 8 |  |  |  | 21 |  |  |  | 505 |  |  |  | (551 | ) |  |  | — |
Total operating revenue |  |  | 1,704 |  |  |  | 5,524 |  |  |  | 2,993 |  |  |  | 295 |  |  |  | (511 | ) |  |  | 10,005 |
Net income (loss) attributable to Dominion Energy |  |  | 464 |  |  |  | 1,038 |  |  |  | 840 |  |  |  | (536 | ) |  |  | — |  |  |  | 1,806 |
Nine Months Ended September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue from external customers |  | $ | 1,664 |  |  | $ | 5,091 |  |  | $ | 1,949 |  |  | $ | 12 |  |  | $ | 660 |  |  | $ | 9,376 |
Intersegment revenue |  |  | 16 |  |  |  | 8 |  |  |  | 645 |  |  |  | 451 |  |  |  | (1,120 | ) |  |  | — |
Total operating revenue |  |  | 1,680 |  |  |  | 5,099 |  |  |  | 2,594 |  |  |  | 463 |  |  |  | (460 | ) |  |  | 9,376 |
Net income (loss) attributable to Dominion Energy |  |  | 390 |  |  |  | 870 |  |  |  | 613 |  |  |  | (186 | ) |  |  | — |  |  |  | 1,687 |
Virginia Electric and Power Company |
Segment Reporting Information [Line Items] |
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Virginia Power’s operations:
|  | Power Delivery |  |  | Power Generation |  |  | Corporate and Other |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 595 |  |  | $ | 1,637 |  |  | $ | — |  |  | $ | 2,232 |
Net income |  |  | 163 |  |  |  | 347 |  |  |  | 10 |  |  |  | 520 |
Three Months Ended September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 580 |  |  | $ | 1,574 |  |  | $ | — |  |  | $ | 2,154 |
Net income |  |  | 137 |  |  |  | 314 |  |  |  | 8 |  |  |  | 459 |
Nine Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,686 |  |  | $ | 4,338 |  |  | $ | (215 | ) |  | $ | 5,809 |
Net income (loss) |  |  | 462 |  |  |  | 796 |  |  |  | (215 | ) |  |  | 1,043 |
Nine Months Ended September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,670 |  |  | $ | 4,062 |  |  | $ | — |  |  | $ | 5,732 |
Net income |  |  | 387 |  |  |  | 735 |  |  |  | 11 |  |  |  | 1,133 |
Dominion Energy Gas Holdings, LLC |
Segment Reporting Information [Line Items] |
Schedule of Segment Reporting Information, by Segment | The following table presents segment information pertaining to Dominion Energy Gas’ operations:
|  | Gas Infrastructure |  |  | Corporate and Other |  |  | Consolidated Total |
(millions) |  |  |  |  |  |  |  |  |  |  |  |
Three Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 423 |  |  | $ | — |  |  | $ | 423 |
Net income (loss) |  |  | 146 |  |  |  | (10 | ) |  |  | 136 |
Three Months Ended September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 401 |  |  | $ | — |  |  | $ | 401 |
Net income (loss) |  |  | 121 |  |  |  | (4 | ) |  |  | 117 |
Nine Months Ended September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,408 |  |  | $ | — |  |  | $ | 1,408 |
Net income (loss) |  |  | 421 |  |  |  | (104 | ) |  |  | 317 |
Nine Months Ended September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenue |  | $ | 1,313 |  |  | $ | — |  |  | $ | 1,313 |
Net income (loss) |  |  | 318 |  |  |  | (16 | ) |  |  | 302 |

X
- Definition Segment reporting disclosure other information. + References No definition available. + Details
Name: | d_SegmentReportingDisclosureOtherInformationTableTextBlock
Namespace Prefix: | d_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599 + Details
Name: | us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=d_VirginiaElectricAndPowerCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=d_DominionEnergyGasHoldingsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |